Fig. 3From: Effects of a new respiratory muscle training device in community-dwelling elderly men: an open-label, randomized, non-inferiority trialNon-inferiority plot of MIP. Difference between devices (above) and protocols (below) in the change of MIP from weeks 0 to 8. Error bars indicate the 95% confidence intervals, and the shaded area indicates the non-inferiority zoneBack to article page